Location History:
- Osaka, JP (1996 - 2007)
- Nara, JP (2005 - 2013)
Company Filing History:
37 out of 25,577 
4 out of 6,896 
1 out of 11 
Years Active: 1996-2013
Areas of Expertise:
Title: Innovations of Motohiro Yamahara: A Visionary in Optical Technology
Introduction: Motohiro Yamahara, based in Nara, Japan, is an accomplished inventor with an impressive portfolio of 42 patents. His work primarily focuses on advancements in optical technologies, showcasing his significant contributions to the field of liquid crystal displays and related devices.
Latest Patents: Among his latest innovations, Yamahara has developed an optical path unit and a liquid crystal display device that excels in luminance in the front direction. His invention features a sophisticated arrangement of components, including a backlight unit, two prism films, a first polarizing plate, a liquid crystal cell with a liquid crystal layer situated between a pair of substrates, and a second polarizing plate. The prism films are designed with linear prisms positioned in parallel on a light incident surface, demonstrating a polygonal and tapered cross section, with an endmost vertex angle ranging from 90° to 110°. Furthermore, the polarizing plates are configured in a crossed Nicols relationship, enhancing the efficiency of light transmission through the device.
In addition, Yamahara has worked on a birefringent film, which combines a compound featuring a proton-accepting group with a proton-donating group, linked through intermolecular hydrogen bonding. This innovation further exemplifies his expertise in material science and optical engineering.
Career Highlights: Yamahara's distinguished career includes significant tenures at renowned companies such as Sharp Corporation and Sumitomo Chemical Company, Limited. His efforts have led to groundbreaking advancements that have had lasting impacts on display technologies and optical materials.
Collaborations: Throughout his career, Yamahara has collaborated with esteemed colleagues including Shigeaki Mizushima and Nobuaki Yamada. These partnerships have fostered innovative developments, enriching the quality and scope of his inventions.
Conclusion: Motohiro Yamahara stands out as a pivotal figure in the realm of optical technology. With a wealth of patents to his name and a commitment to innovation, his contributions continue to influence the industry and pave the way for future advancements in liquid crystal display technology and beyond. His ongoing work serves as an inspiration for aspiring inventors and established experts alike.